Coin collecting is a hobby that involves gathering or collecting coins for specific cause. The cause or reasons for collecting coins are called collection themes. There are many different themes ranging from country collections to type collections.

In the beginning, a coin collector might have started coin collecting because of having extra coins after a trip to a foreign country. He may also start coin collecting because of liking the design of a certain coin or finding an old coin which is not in circulation anymore and just wanting to keep it. As the collector’s interest increase, so will the desire for more variety of the coins he has started to collect.